Altoona, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altoona, a city in Eau Claire County, Wisconsin.
Overnight
57°F
Light Rain Likely
Rain likely and patchy fog. Mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Altoona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Light Rain Likely | 5 mph SE | 69% |
| Wednesday | 59°F | Light Rain | 5 to 10 mph S | 81% |
| Wednesday Night | 46°F | Light Rain | 5 to 10 mph W | 88% |
| Thursday | 48°F | Light Rain Likely | 10 to 15 mph N | 56% |
| Thursday Night | 36°F | Mostly Cloudy | 5 to 15 mph NNE | 5% |
| Friday | 47°F | Partly Sunny | 0 to 10 mph NNE | 1% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph WSW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 6% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph WNW | 14% |
| Sunday Night | 35°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 38°F | Partly Cloudy | 5 mph W | 1% |
| Tuesday | 54°F | Sunny | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Altoona (44.800, -91.440). Updated through the day.
Growing snapshot for Altoona
Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
4b
More local growing data for Altoona: nearby ZIP 54720 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Eau Claire 3Sw, Wi (4.1 mi from Altoona). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.